Home / 20,337.11-30,367.22-17,945.24

Finding the Fourth Proportional to 20,337.11, 30,367.22 and 17,945.24

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Solution

The fourth proportional to 20,337.11, 30,367.22 and 17,945.24 is: 26,795.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,337.11 : 30,367.22 = 17,945.24 : x
  2. Step 2: Convert to fraction form
    20,337.11/30,367.22 = 17,945.24/x
  3. Step 3: Cross multiply
    20,337.11x = 30,367.22 × 17,945.24
  4. Step 4: Simplify right side
    20,337.11x = 544,947,138.17
  5. Step 5: Solve for x
    x = 544,947,138.17/20,337.11
  6. Step 6: Final answer
    x = 26,795.71

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.